52.64% is the change from 511 to 780
Calculation steps:
[( 780 - 511 ) ÷ 511] x 100 = 52.64%
Formula
Percentage change = [(780 - 511) / 511] x 100
Subtract the new number by the original number
780 - 511 = 269
269 ÷ 511 = 0.5264187866927593
0.5264187866927593 x 100 = 52.64%